Home / 7,386,520.40-11,073,559.80-3,840,664.40

Finding the Fourth Proportional to 7,386,520.40, 11,073,559.80 and 3,840,664.40

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Solution

The fourth proportional to 7,386,520.40, 11,073,559.80 and 3,840,664.40 is: 5,757,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386,520.40 : 11,073,559.80 = 3,840,664.40 : x
  2. Step 2: Convert to fraction form
    7,386,520.40/11,073,559.80 = 3,840,664.40/x
  3. Step 3: Cross multiply
    7,386,520.40x = 11,073,559.80 × 3,840,664.40
  4. Step 4: Simplify right side
    7,386,520.40x = 42,529,826,905,131.12
  5. Step 5: Solve for x
    x = 42,529,826,905,131.12/7,386,520.40
  6. Step 6: Final answer
    x = 5,757,762.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.